BGA glider data sheet - LS 4A & B
Data source Manufacturers’ handbooks Date of issue: 198? Manufacturer: Rolladen-Schneider UK Agent: McLean Aviation www.mcleanaviation.co.uk e.mail: mcleanaviation@aol.com Tel:-01904 738653

Weighing Data:

Kg Pounds

Max weight with water and max 525 landing weight

Max water

170

Max weight of non lifting 230 components (everything except wings)

BGA concession non-aerobatic
max weight of non lifting components [+5%]

241

1158
375 507
532

Max pilot weight (seat load)

110 242

mm

Forward C of G limit (aft of datum) 225

Aft C of G limit (aft of datum)

400

Pilot position (fwd) 165 lb pilot 590

Inches 8.86 15.75 23.2

Control deflections in mm
Up Down Distance -
hinge to measuring point

Max free play

Ailerons 65±5 40±3 165mm

3 total

Elevator *364 *245 148mm ±5 ±5

3 total

*Distance from TE to reference point on fin. Distance is 300mm with elevator neutral

Airbrakes 150 min

At inner end

Rudder Left & Right 310mm

1 at

150±10

top

Moments and weights of control surfaces

Weight at TE Total weight

Elevator 0.33 - 0.44 kg 1.41 - 1.90 kg

Rudder ±0.04 kg

3.70 - 4.10 kg

Aileron 0.60 - 0.80 kg 3.50 - 5.00 kg

Longitudinal datum: Wing root LE

Horizontal datum: Rear fuselage bottom horizontal

Maximum speeds

Knots Kph

Knots Kph

Height feet

VNE Height Knots meters

VNE Kph

VNE

151 280

Winch / auto tow 75

140

0-6500 151 0-2000 280

Rough air 103

190

Airbrakes open 151

280

To 10 000

To 3000

Manoeuvre 103

190

U/C down

151 280

To 20 000

To 6000

Aerotow 103 190

To 33 000

To 10000

Max winch weak link: 600 kg (Tost blue)

Tyre pressures: Main wheel 3 - 3.5 bar (43 - 50 psi) Tail wheel 2,5 bar (36 psi)

Semi aerobatic (without water-ballast). Cloud flying permitted

Note: -The trim weights in front of the rudder pedals weigh 2.45 kg (5.4 lb) each, they reduce min pilot weight by twice their own weight.

Load required to collapse undercarriage 12-15 Kg at joint above wheel. Replace gas strut if load is low.

A 2.7 kg battery can be fitted in the top of the fin.

This sheet compiled by: Tim Macfadyen Date: 13 May 2002 Last update 5 May 2012: UK agent changed

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